<p>BATON ROUGE -- Animal-rights supporters are offering cash rewards for information on illegal cockfighting in Louisiana.</p><p>The state's new ban on cockfighting took effect today, making the bloody practice illegal in all 50 U.S. states.</p><p>The Humane Society of the United States said it will give $5,000 to anyone whose tip leads to conviction of people staging the rooster fights.</p>